I thought I fixed it but it came up with some new errors
package {
import flash.display.*;
import flash.events.*;
import flash.utils.Timer;
import flash.text.TextField;
import flash.utils.getTimer;
public class AirRaid extends MovieClip {
private var aagun:AAGun;
private var airplanes:Array;
private var bullets:Array;
public var leftArrow, rightArrow:Boolean;
private var nextPlane:Timer;
private var shotsLeft:int;
private var shotsHit:int;
public function startAirRaid() {
// init score
shotsLeft = 10000;
shotsHit = 0;
showGameScore();
// create gun
aagun = new AAGun();
addChild(aagun);
// create object arrays
airplanes = new Array();
bullets = new Array();
// listen for keyboard
stage.addEventListener(KeyboardEvent.KEY_DOWN,keyDownFunction);
stage.addEventListener(KeyboardEvent.KEY_UP,keyUpFunction);
// look for collisions
addEventListener(Event.ENTER_FRAME,checkForHits);
// start planes flying
setNextPlane();
}
public function setNextPlane() {
nextPlane = new Timer(1000+Math.random()*1000,1);
nextPlane.addEventListener(TimerEvent.TIMER_COMPLETE,newPlane);
nextPlane.start();
}
public function newPlane(event:TimerEvent) {
// random side, speed and altitude
if (Math.random() > .5) {
var side:String = "down";
} else {
side = "down";
}
var longitude:Number = Math.random()*50+20;
var speed:Number = Math.random()*300+300;
// create plane
var p:Airplane = new Airplane(side,speed,longitude);
addChild(p);
airplanes.push(p);
// set time for next plane
setNextPlane();
}
// check for collisions
public function checkCollisions() {
for (var airplaneNum:int=airplanes.length-1;airplaneNum>=0;airplanenum--) {
for (var aagunNum: int= aagun.length-1; aagunNum>=0 ; aagunNum--) {
if (airplanes[airplaneNum].hitTestObject(aagun[aagunNum])) {
endGame();
}
}
}
public function checkForHits(event:Event) {
for(var bulletNum:int=bullets.length-1;bulletNum>=0;bulletNum--){
for (var airplaneNum:int=airplanes.length-1;airplaneNum>=0;airplaneNum--) {
if (bullets[bulletNum].hitTestObject(airplanes[airplaneNum])) {
airplanes[airplaneNum].planeHit();
bullets[bulletNum].deleteBullet();
shotsHit++;
showGameScore();
break;
}
}
}
if ((shotsLeft == 0) && (bullets.length == 0)) {
endGame();
}
}
// key pressed
public function keyDownFunction(event:KeyboardEvent) {
if (event.keyCode == 37) {
leftArrow = true;
} else if (event.keyCode == 39) {
rightArrow = true;
} else if (event.keyCode == 32) {
fireBullet();
}
}
// key lifted
public function keyUpFunction(event:KeyboardEvent) {
if (event.keyCode == 37) {
leftArrow = false;
} else if (event.keyCode == 39) {
rightArrow = false;
}
}
// new bullet created
public function fireBullet() {
if (shotsLeft <= 0) return;
var b:Bullet = new Bullet(aagun.x,aagun.y,-300);
addChild(b);
bullets.push(b);
shotsLeft--;
showGameScore();
}
public function showGameScore() {
showScore.text = String("Score: "+shotsHit);
showShots.text = String("Shots Left: "+shotsLeft);
}
// take a plane from the array
public function removePlane(plane:Airplane) {
for(var i in airplanes) {
if (airplanes == plane) {
airplanes.splice(i,1);
break;
}
}
}
// take a bullet from the array
public function removeBullet(bullet:Bullet) {
for(var i in bullets) {
if (bullets == bullet) {
bullets.splice(i,1);
break;
}
}
}
// game is over, clear movie clips
public function endGame() {
// remove planes
for(var i:int=airplanes.length-1;i>=0;i--) {
airplanes.deletePlane();
}
airplanes = null;
aagun.deleteGun();
aagun = null;
stage.removeEventListener(KeyboardEvent.KEY_DOWN,keyDownFunction);
stage.removeEventListener(KeyboardEvent.KEY_UP,keyUpFunction);
removeEventListener(Event.ENTER_FRAME,checkForHits);
nextPlane.stop();
nextPlane = null;
gotoAndStop("gameover");
}
}
}
1 Correct answer
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